---
title: "kelvyn - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Kelvyn  displays the current outside temperature from a wearable  microcontroller project that you build.  It keeps track of the current temperature in either Fahrenheit or Celsius and displays it on "
---

# kelvyn — United States
> Thermometer for your iPhone

![kelvyn App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/4d/5b/c8/4d5bc88b-729b-3462-881e-8646aa94e164/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/434x0w.png)

**Developer:** [Robert Werner](https://apptail.io/developer/robert-werner-loce)
**Category:** Sports
**Rating:** 5.0/5 (1 ratings)
**Price:** Free
**Bundle ID:** com.kelvyn.temperature
**Store:** Apple App Store
**Country:** United States
**Version:** 1.0 (released 2025-10-22)
**Original Release:** 2025-10-22
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6754129704)
**AppTail Page:** [https://apptail.io/app/kelvyn-DENx/united-states](https://apptail.io/app/kelvyn-DENx/united-states)

## kelvyn Description
Kelvyn  displays the current outside temperature from a wearable  microcontroller project that you build.  It keeps track of the current temperature in either Fahrenheit or Celsius and displays it on an easy to see analog style graphic.  It also keeps track of previous timed reading and graphs it over days, weeks and  months.  It provides averages and trends.  It connects easily with Bluetooth and now provides you with up to the second temperature awareness.

## kelvyn Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/4d/b6/21/4db621e0-f2f6-ebf7-5841-00d6a4e8137c/fileOne.jpeg/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d1/46/59/d1465906-186c-ad09-50d0-c256cfeb965c/fileTwo.jpg/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/b1/07/b2/b107b227-305d-ff93-b501-98382e59e82d/fileThree.jpg/1284x2778.png)

## kelvyn Rating Breakdown in United States
- 5 stars: 1 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)






## kelvyn Available In
- [United States](https://apptail.io/app/kelvyn-DENx/united-states)
- [Canada](https://apptail.io/app/kelvyn-DENx/canada)

---

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